What is the acceleration of a car going 50 mph that slows down to rest over 10 seconds? A. -5.0 mph/s
B. 5.0 mph/s
C. -5.0 m/s^2
D. 5.0 m/s^2
E. Not enough data is given

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

The necleus of an atom is made up of what subatomic particles?

Debris produced by mining is called